<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <meta http-equiv="X-UA-Compatible" content="ie=edge">
    <title>Document</title>
    <style>
        div{
            width: 200px;
            height: 200px;
            background-color: blue;
            /* 会撑大盒子 */
            padding: 20px;
            /*外边距*/
            /* margin-left: 100px;
            margin-top: 50px; */
            /* 上右下左的顺序 */
            margin: 50px 320px 11px 110px;

        }
    </style>
</head>
<body>
    <div>xx</div>
</body>
</html>